Finding the Fourth Proportional to 276,256,177.75, 381,220,121.41 and 157,167,554.23
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Solution
The fourth proportional to 276,256,177.75, 381,220,121.41 and 157,167,554.23 is: 216,883,599.10
Step by Step Solution
- Step 1: Write the proportion equation
276,256,177.75 : 381,220,121.41 = 157,167,554.23 : x - Step 2: Convert to fraction form
276,256,177.75/381,220,121.41 = 157,167,554.23/x - Step 3: Cross multiply
276,256,177.75x = 381,220,121.41 × 157,167,554.23 - Step 4: Simplify right side
276,256,177.75x = 59,915,434,105,273,360 - Step 5: Solve for x
x = 59,915,434,105,273,360/276,256,177.75 - Step 6: Final answer
x = 216,883,599.10
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.